The suspect was reportedly killed.

Houston Police told ABC 13 that a woman in her early 30s entered the church on the west side armed with a long rifle wearing a trenchcoat and a backpack.

The woman was reportedly accompanied by a small child between four to five years old and opened fire immediately after entering the building.

Police said two off-duty officers engaged and fired at the woman, leaving her dead.

Authorities said the child was also hit and currently his condition is said to be critical.

Lakewood Church posted on X: "There is an active situation involving shots fired at Lakewood. Law enforcement is on the scene.That is all the information we have at this time. Please pray for Lakewood and our community."

Texas Governor Greg Abbott condoles

Texas Governor Greg Abbott posted on X: "Our hearts are with those impacted by today’s tragic shooting in Houston."

"Places of worship are sacred. I have spoken with Mayor Whitmire and offered the full support of Texas to bring this criminal to justice. Join Cecilia and me in praying for the Lakewood Church community," he said.